Season 1
After having skirmished with a number of dangerous monsters, Star Butterfly arrives on Earth to live with the Diaz family. However, rather than living a normal life, Star continues on having to battle villains both throughout the universe and in their high school, although if only to protect her extremely powerful wand, an object which she is still confused with.
Episodes
As tradition dictates, Star receives the royal magic wand for her 14th birthday, but her parents worry that she is not ready for the responsibility and send her to a place they deem safe - Earth.
Star's best friend from her home dimension pays a visit and feels threatened by Star's new friendship with Marco.
Star fails her first test, so she tries to play match maker for their classroom teacher to get a better grade. However, she winds up turning her into a troll.
While Marco is distracted by protecting his friend, the new school mascot, from being kidnapped by their football rivals, a confused Star believes this to be an upcoming battlefield and starts making plans of her own.
Marco breaks his arm before a Karate tournament. Star uses her wand to fix it, but accidentally gives him an evil sentient tentacle arm.
Star vies for attention with a foreign exchange student who is visiting the Diaz family.
Star is feeling down when her crush Oskar has no calls from her, so Marco tries to cheer her up only that he accidentally summons Ludo and his army of monsters.
Star and Marco must go to "Quest Buy", a maze-like store to find a charger for Star's wand.
Star takes the Diaz family out vacation to her home dimension of Mewni.
Star doesn't get invited to Brittany's birthday party and is desperate to get into it.
Star goes through mewberty, which covers her body in purple hearts and sets her off onto all the boys in school.
Marco and his friends work off their debt in the Shard Mines.
Ludo fires the lobster monster from his group and the creature doesn't know what to do, so Star and Marco try to help him out.
Star is sleepwalking and casting magic chaotically.
Star accepts her ex-boyfriend Tom's invitation to Demon Prom, but Marco is suspicious of Tom's intentions.
Marco convinces Star that fortune cookies contain magical prophecies, which leads her to dangerously believe a fake fortune.
Star accidentally freezes time with her wand and then tries to convince Father Time to set things right.
Star's dad makes an unexpected visit and soon wears out his welcome.
Star must face her greatest fear and travel to St. Olga's Reform School for Wayward Princesses to bust out Flying Princess Pony Head for her birthday.
Star leads a battle reenactment as part of a Mewni Independence Day celebration with her friends on Earth.
Star sees a commercial for a magical Earth product.
Star leads a class field trip to a museum in another dimension and puts the entire class in danger.
When Star flubs the spell used to help Marco grow a beard, the beard grows out of control and engulf the house.
When Marco is captured by Toffee and held for wand-ransom, Star enters into an unlikely alliance with Ludo and Buff Frog.
More seasons
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